update zenith albedo param, fix bug (#1131)

Author: kmdeck

NEWS.md

@@ -3,6 +3,7 @@ ClimaLand.jl Release Notes
 
 main
 -------
+- Enforce physically in albedo model for snow PR[#1124](https://github.com/CliMA/ClimaLand.jl/pull/1124) and PR[#1131](https://github.com/CliMA/ClimaLand.jl/pull/1131)
 - Add capability to step some sources implicitly PR[#1113](https://github.com/CliMA/ClimaLand.jl/pull/1113)
 
 v0.15.14

experiments/long_runs/snowy_land.jl

@@ -317,7 +317,7 @@ function setup_prob(
     # Set β = 0 in order to regain model without density dependence
     α_snow = Snow.ZenithAngleAlbedoModel(
         FT(0.64),
-        FT(0.7),
+        FT(0.06),
         FT(2);
         β = FT(0.4),
         x0 = FT(0.2),
@@ -334,6 +334,7 @@ function setup_prob(
         Δt;
         earth_param_set = earth_param_set,
         α_snow = α_snow,
+        scf = scf,
     )
     snow_args = (;
         parameters = snow_parameters,